JPH11190220A - Two-system fuel generator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a two-system fuel generator capable of easily performing a series of setting works and safely operating a recoil lever. SOLUTION: A two-system fuel generator is provided with an engine 12 where a cylinder head 12a is projected diagonally up toward the rear face side, a generator body 14 for generating power by driving force of the engine 12, a fuel tank 16 for storing fuel for starting the engine and fuel for its operation, a carburetor 17 for feeding a gas mixture into the engine 12, a fuel cock 21 incorporated in a two-system fuel supply pipeline extending from the fuel tank 16 to the carburetor 17 to perform the supply and cut-off of fuel to the carburetor 17 and the selection of fuel to be supplied, and a recoil starter cup which is located by the side of the engine 12 to start the engine 12 by operating a starter lever. The fuel cock 21 is exposed to the front side on which a control panel is arranged, and is arranged so that it is located between the control panel and the starter lever 13a of the recoil starter cup in a front view.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a two-system fuel power generation system in which two different types of fuel are supplied at the time of start and during operation to drive an engine, and power is supplied by the driving force of the engine. About the machine.

[0002]

2. Description of the Related Art FIG. 7 to FIG. 10 are views showing a conventional generator. The generator shown here is provided with an engine 2, a generator body 3 driven by the engine, a fuel tank 4 for supplying fuel to the engine 2, and the like on a frame 1 formed by bending a pipe. It has become something. The fuel tank 4 is disposed over the entire left and right sides of the frame 1 so as to completely close the upper part of the frame 1, and the generator body 3 and the engine 2 are disposed below the lower part. A fan cover 5 that covers a cooling fan (not shown) is provided on the left side of the engine 2, and a recoil starter cup (not shown) for driving the engine 2 is housed in the fan cover 5. ing. On the front side of the frame 1, an operation panel 7 having various operation units such as a power switch is provided.
A fuel cock 5 for supplying and shutting off fuel from the fuel tank 4 to the carburetor 8 is provided on the side surface.
2a is a cylinder head of the engine 2, and 13a is a starter lever of the recoil starter 13. And
In the generator configured as described above, the engine can be started by setting the fuel cock on the fuel supply side, turning on the engine switch, and then pulling the starter lever 13a of the recoil starter 13. Electric power is supplied from the generator body 3 by the driving force of the engine.

[0003]

When the generator is used as described above, it is necessary to first perform a setting operation on the fuel cock and the operation panel. While the panel is on the front side,
Since the fuel cock is installed on the side surface, the operator must perform the setting operation while checking the both sides alternately, causing a problem that the operability is reduced. Moreover,
The presence of the fuel cock on the side surface allows the fuel pipe constituting the fuel supply path from the fuel tank to the carburetor to pass through the side surface on which the recoil exists. There is a risk that the hands of the user may interfere with the fuel pipe.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and a series of setting operations performed by a fuel cock and an operation panel can be easily performed on the front side. An object of the present invention is to provide a generator excellent in operability and safety in which an operator's hand and a fuel pipe do not buffer during operation.

[0005]

The present invention has the following arrangement to solve the above-mentioned problems. That is, an engine in which the cylinder head projects obliquely upward toward the rear side,
A generator main body that is disposed on the side of the engine and is located on the front side of the cylinder head and generates electric power by the driving force of the engine. A fuel tank for storing fuel and driving fuel in different fuel chambers, a carburetor for supplying a mixture of fuel and air supplied from the fuel tank to the engine, A fuel cock inserted into two fuel supply passages from each fuel chamber to the carburetor for supplying, shutting off, and selecting the fuel to be supplied to the carburetor; and a starter located at the side of the engine. A recoil starter for starting an engine by operating a lever, wherein the fuel cock is exposed on a front side where an operation panel including predetermined operation switches is disposed. And in which it is disposed so as to be located between the operation panel and the recoil starter of the starter lever in a front view.

[0006] According to the two-system fuel generator having the above configuration, the setting work on the fuel cock and the operation panel can be performed by the operator from the front, so that the setting work can be performed extremely smoothly. . Further, since the fuel cock is located between the recoil starter and the operation panel in a front view, the fuel supply path passing through the fuel cock passes inside the recoil starter,
The recoil starter can be safely operated without the operator's hand touching the fuel supply path.

In addition, a cooling fan having a carburetor fixed to a cylinder head, which is a component of the engine, and a drain cock for discharging fuel in a float chamber of the carburetor fixed to the cylinder head and the cylinder. If fixed to the cover, the vaporizer and the drain cock become the same vibrator, so the fuel supply flow path connecting the vaporizer and the drain cock does not vibrate significantly, and the possibility of contact with other parts is reduced. In addition to the reduction, the distance between the carburetor and the drain cock can be minimized, and the fuel can be quickly discharged from the carburetor.

[0008]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is a plan view showing an embodiment of a two-system fuel generator according to the present invention, FIG. 2 is a front view of the one shown in FIG. 1, FIG. 3 is a left side view of the one shown in FIG.
FIG. 4 is a right side view of what is shown in FIG. In each of the drawings, a two-system fuel generator 10 shown here includes a frame 11 in which a flat portion, a bottom portion, a front portion, a rear portion, and left and right side surfaces are respectively formed in a rectangular frame shape.
The engine 12 is located in a substantially rectangular parallelepiped space surrounded by
And the generator body 14 and the like.

That is, the engine 12 is housed in the left space of the space surrounded by the frame 11, and the cylinder head 12a protrudes obliquely upward toward the rear side. On the left side of the engine 12, a fan cover 12b that covers a cooling fan (not shown) is provided as a component of the engine 12, and a cooling fan (not shown) and an engine The starter lever 13a of the recoil starter cup 12c is located near the left side surface of the space surrounded by the frame 11. On the right side of the engine 12, a generator body 14 which is operated by the driving force of the engine 12 and outputs electric power.
Is provided. On the front side of the generator body 14, an operation panel 15 provided with other various switches including an engine switch, a socket, and the like is provided.

A hollow fuel tank 16 having a substantially rectangular parallelepiped shape is provided above the front part of the frame 11. The fuel tank 16 covers the upper part of the engine 12 and the generator body 14. However, the fuel tank 16 does not cover the entire flat portion of the frame 11, and as shown in FIGS. 1 and 2, a space S is provided between the rear frame 11 and the fuel tank. The cylinder head 12a is formed below the space S.
The fuel tank 16 has two fuel chambers formed therein. One fuel chamber stores fuel for starting fuel (gasoline), and the other fuel chamber stores fuel for operation (kerosene). Have been.

Fuel pipes 19 and 20 are connected to fuel outlets 16a and 16b formed at the bottom of each fuel chamber of the fuel tank 16, respectively.
A fuel cock 21 is connected to 9 and 20. The fuel cock 21 is located between the operation panel 15 and the recoil starter cup 12c in a front view, and is fixed by a mounting member 21a so as to be exposed on the front side of the frame 11, and is substantially the same as the operation panel 15. Located on a plane.

The carburetor 17 is connected to the fuel cock 21 via a single fuel pipe 22. Depending on the position of the fuel cock 21, the supply of fuel, the shutoff, and the fuel to be used are performed. Can be selected. That is, this fuel cock 21 is
As shown in (b), start (START) and operation (RU)
N) and stop (STOP) can be selectively set to three positions, and the fuel cock 21 is moved to a start position (START).
When the fuel cock 21 is set to the operation position (RUN), the fuel chamber storing the gasoline and the carburetor 17 communicate with each other. Is in communication with the fuel cock 21
Is set to the stop position (STOP), the communication between the fuel chambers and the carburetor 17 is cut off.

A drain pipe communicating with the float chamber of the vaporizer 17 is provided below the vaporizer 17, and a drain cock 24 is connected to a lower end of the drain pipe 23. This drain cock 24
Is firmly fixed to the fan cover 12b via a mounting member 24a, and is arranged as close to the vaporizer 17 as possible. Further, a muffler 25 for discharging the exhaust gas of the engine 12 is provided on a side of the cylinder head 12a, and an upper portion thereof is opened to an external space through the space S.

When starting the two-system fuel generator constructed as described above, first, the drain cock 24 is opened, and the residual amount of kerosene supplied during the previous operation is removed from the vaporizer 17. The water is discharged from the float chamber to the outside via the drain pipe 23 and the drain cock 24. Next, after closing the drain cock 24, the fuel cock 21 is set to the starting position. Then, the vaporizer 17
Communicates with a fuel chamber in which gasoline is stored through a fuel supply path including a pipe 22, a cock 21, and a fuel pipe 19. For this reason, the carburetor 17 mixes gasoline supplied from the fuel supply path with air supplied from the air cleaner 18 and supplies the mixture to the engine. Here, the engine switch on the operation panel 15 is set to O
N, and by operating the recoil starter cup 12c, the crankshaft rotates, the air-fuel mixture supplied from the carburetor 17 is ignited, and the engine 12 is started.

After the engine 12 is started, the fuel cock 21
To the operating position. Then, the carburetor 17 communicates with the fuel chamber storing kerosene through the fuel supply path including the fuel pipe 22, the fuel cock 21, and the fuel pipe 20, and the communication with the gasoline fuel chamber is cut off. As a result, kerosene is supplied as fuel to the carburetor 17, and a mixture of the kerosene and air is supplied to the engine 12, and the engine is continuously driven. Also,
When stopping the driving of the engine 12, the operation panel 1
The operation switch on 5 may be turned off, and the fuel cock 21 may be set to the stop position.

As described above, the two-system fuel generator according to this embodiment uses different fuels at the time of starting and at the time of operation, so that the fuel cock 21 is different from that of the one-system fuel generator using only gasoline. Operation frequency is high. For this reason, when the fuel cock is provided on the side surface as in the related art, it is necessary to frequently perform operations on the front side and the side surface, which causes a problem that the operability is extremely reduced.
However, in this embodiment, since the fuel cock 21 is disposed on the front together with the operation panel 15, the user performs both the operation of the operation panel 15 and the operation of the fuel cock 21 in a state facing the front. Since it is not necessary to take an unreasonable posture in any of the operations, a series of operations can be performed extremely easily and quickly, and the operability is greatly improved.

Further, since the fuel cock 21 is disposed between the operation panel 15 and the recoil starter cup 12c in a front view, the fuel from each fuel chamber of the fuel tank 16 to the carburetor 17 via the fuel cock 21 is provided. Each of the fuel pipes 19, 20, and 22 constituting the supply path is located inside the recoil starter cup 12c. For this reason, when the starter lever 13a of the recoil starter cup 12c is pulled, the user's hand or the like will cause the fuel pipes 19, 20, 2
There is no danger of getting caught on the vehicle 2 and the starting operation can be performed safely and smoothly.

Further, in the above embodiment, since the drain cock 24 and the carburetor 17 are fixed to the fan cover 12b and the cylinder head 12a, which are the components of the engine 12, they are integrated into the same vibrator. Become. For this reason, the drain pipe 23 connecting the drain cock 24 and the vaporizer 17 is also provided with the drain cock 24 and the vaporizer 17.
Vibrates together with the surrounding members, and the like, interference with the surrounding members and the like can be prevented, and generation of noise and breakage of the members can be prevented. Further, since the drain cock 24 is provided with the same member as the vaporizer 17, the drain cock 24 can be arranged close to the vaporizer 17, and the length of the drain pipe 23 can be minimized. Therefore, unnecessary fuel (kerosene) can be extracted from the float chamber of the vaporizer 17 in a short time, and the engine can be started quickly.

Further, in the above embodiment, the fuel tank 1 is provided above the cylinder head 17 and the muffler 25.
6, the heat of the cylinder head 12a and the muffler 25, which becomes high in temperature when the engine 12 is driven, rises from the space S to the outside and dissipates. Is done. Therefore, the fuel tank is not affected by the heat of the cylinder head 12a and the muffler 25, and the temperature of the fuel in the fuel tank does not rise. Therefore, it is not necessary to take any special measures for restarting the engine warm-up, and good startability can be obtained.

It should be noted that the present invention can be appropriately modified within the scope set forth in the appended claims, and each component is not limited to the above-described embodiment, but may be any other component or component. It is also possible. For example, as in the above-described embodiment, the muffler 25 having the exhaust port 25a formed on the side surface portion.
And an exhaust port 26a on the back side as shown in FIGS.
It is also possible to have a muffler 26 forming
The present invention is not particularly limited to the above embodiment.

[0021]

As described above, according to the dual fuel generator according to the present invention, since the operation panel and the fuel cock are provided on the front side, a series of setting operations performed by the operation panel and the fuel cock can be easily performed. And can be done smoothly,
In addition, since the fuel cock is disposed between the recoil starter and the operation panel when viewed from the front, the fuel supply path from the fuel tank to the engine via the fuel cock is directed to the recoil starter provided on the side of the engine. There is no protruding. For this reason, when the recoil starter is pulled, it is possible to prevent the fuel path from interfering with the operator's hand, and it is possible to improve the safety of the starting operation.

Further, since the drain cock and the carburetor are fixed to the cooling fan cover and the cylinder head, which are the components of the engine, the drain cock and the carburetor can be made the same vibrator. Interference between the connected drain pipe and peripheral members can be prevented, and the length of the drain pipe can be minimized, so that the fuel can be extracted from the vaporizer in a short time. It is possible to quickly start the engine.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of the present invention.

FIG. 2A is a front view of the fuel cock shown in FIG. 1, and FIG. 2B is an enlarged front view of the fuel cock shown in FIG.

FIG. 3 is a left side view of the one shown in FIG. 2;

FIG. 4 is a right side view of the one shown in FIG. 2;

FIG. 5 is a rear view showing another embodiment of the present invention.

FIG. 6 is a left side view of the one shown in FIG. 5;

FIG. 7 is a plan view showing a conventional fuel generator.

FIG. 8 is a front view of the one shown in FIG. 7;

FIG. 9 is a left side view of the one shown in FIG. 7;

FIG. 10 is a right side view of the one shown in FIG. 7;

[Explanation of symbols]

 12 Engine 12a Cylinder head 12b Cooling fan cover 13 Recoil starter 13a Starter lever 12c Generator body 15 Operation panel 16 Fuel tank 17 Vaporizer 19, 20 Fuel pipe 21 Fuel cock 21 Fuel cock 24 Drain cock

Claims (2)

[Claims] 1. An engine in which a cylinder head projects obliquely upward toward a rear side, and an electric power generation unit that is disposed on a side of the engine so as to be located on a front side of the cylinder head and generates electric power by a driving force of the engine. A main body, a fuel tank disposed above the generator main body and storing starting fuel and operating fuel to be supplied to the engine in different fuel chambers, respectively, and supplied from the fuel tank. A carburetor for supplying a mixture of fuel and air to the engine; and a fuel supply passage for fuel supply to the carburetor, which is inserted into two fuel supply passages from each fuel chamber of the fuel tank to the carburetor. A fuel cock for selecting fuel to be supplied, and a recoil starter located on a side of the engine to start an engine by operating a starter lever. The cock is characterized in that it is exposed on the front side where an operation panel having predetermined operation switches and the like is disposed, and is disposed between the operation panel and the starter lever of the recoil starter in a front view. Two-system fuel generator. 2. A carburetor is fixed to a cylinder head which is a component of the engine, and a drain cock for discharging fuel in a float chamber of the carburetor is fixed to a cooling fan cover. 2. The dual fuel generator according to 1.